quickness vs quick-wittedness

quickness and quick-wittedness both are nouns.

Word	Noun	Adjective	Verb	Adverb
quickness	Yes	No	No	No
quick-wittedness	Yes	No	No	No

As nouns, quickness and quick-wittedness are synonyms defined as:

quickness and quick-wittedness: intelligence as revealed by an ability to give correct responses without delay

Other synonyms of quickness include mental quickness.

quickness (noun)	quick-wittedness (noun)
a rate that is rapid	intelligence as revealed by an ability to give correct responses without delay
intelligence as revealed by an ability to give correct responses without delay
skillful performance or ability without difficulty